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EP2160860A4 - Alignement temporel dans un transfert intercellulaire - Google Patents

Alignement temporel dans un transfert intercellulaire

Info

Publication number
EP2160860A4
EP2160860A4 EP08705280.9A EP08705280A EP2160860A4 EP 2160860 A4 EP2160860 A4 EP 2160860A4 EP 08705280 A EP08705280 A EP 08705280A EP 2160860 A4 EP2160860 A4 EP 2160860A4
Authority
EP
European Patent Office
Prior art keywords
handover
alignment
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08705280.9A
Other languages
German (de)
English (en)
Other versions
EP2160860A1 (fr
Inventor
Muhammad Kazmi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of EP2160860A1 publication Critical patent/EP2160860A1/fr
Publication of EP2160860A4 publication Critical patent/EP2160860A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/0055Synchronisation arrangements determining timing error of reception due to propagation delay
    • H04W56/0065Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
    • H04W56/007Open loop measurement
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/0005Synchronisation arrangements synchronizing of arrival of multiple uplinks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/08Reselecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
EP08705280.9A 2007-06-25 2008-01-03 Alignement temporel dans un transfert intercellulaire Withdrawn EP2160860A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94605507P 2007-06-25 2007-06-25
PCT/SE2008/050007 WO2009002248A1 (fr) 2007-06-25 2008-01-03 Alignement temporel dans un transfert intercellulaire

Publications (2)

Publication Number Publication Date
EP2160860A1 EP2160860A1 (fr) 2010-03-10
EP2160860A4 true EP2160860A4 (fr) 2014-01-08

Family

ID=40185874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08705280.9A Withdrawn EP2160860A4 (fr) 2007-06-25 2008-01-03 Alignement temporel dans un transfert intercellulaire

Country Status (4)

Country Link
US (1) US8774126B2 (fr)
EP (1) EP2160860A4 (fr)
JP (1) JP5001428B2 (fr)
WO (1) WO2009002248A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2091276B1 (fr) * 2008-02-15 2011-07-06 Mitsubishi Electric R&D Centre Europe B.V. Procédé et dispositif pour déterminer si un transfert doit être exécuté pour in terminal
US8675512B2 (en) 2008-09-02 2014-03-18 Commonwealth Scientific And Industrial Research Organisation Fixed multiple access wireless communication
US8693442B2 (en) 2008-09-22 2014-04-08 Blackberry Limited Multi-site MIMO cooperation in cellular network
US8380240B2 (en) * 2008-11-03 2013-02-19 Texas Instruments Incorporated Enabling coordinated multi-point reception
IL218046B (en) 2012-02-12 2018-11-29 Elta Systems Ltd An architecture for a multi-directional relay and the devices and methods of operation useful by the way
TWI481218B (zh) 2011-11-10 2015-04-11 Ind Tech Res Inst 分散式天線系統之控制方法、裝置及系統
US20150071089A1 (en) * 2013-09-06 2015-03-12 Qualcomm Incorporated Devices and methods for decreasing awake state durations in access terminals operating in a slotted idle mode
WO2015127987A1 (fr) * 2014-02-28 2015-09-03 Nokia Solutions And Networks Oy Techniques permettant un transfert intercellulaire synchronisé avec moins de canaux d'accès aléatoire (rach) pour des réseaux sans fil
US9332466B2 (en) 2014-03-20 2016-05-03 Qualcomm Incorporated Uplink timing advance adjustment
EP3533263A4 (fr) * 2016-10-28 2020-07-01 Telefonaktiebolaget LM Ericsson (PUBL) Avance temporelle compensée par un équipement utilisateur
WO2020067756A1 (fr) * 2018-09-28 2020-04-02 Lg Electronics Inc. Resélection de cellule par réglage d'un paramètre de resélection de cellule
US11197254B2 (en) * 2018-11-01 2021-12-07 Huawei Technologies Co., Ltd. Method and apparatus for time synchronized handover
US11240773B2 (en) * 2018-12-07 2022-02-01 Google Llc Managing doppler and framing impacts in networks
US20230232355A1 (en) * 2020-04-16 2023-07-20 Sony Group Corporation Communications devices, infrastructure equipment and methods

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000051393A1 (fr) * 1999-02-26 2000-08-31 Qualcomm Incorporated Procede et systeme de transfert entre une station de base amcr asynchrone et une station de base amcr synchrone
WO2003041436A1 (fr) * 2001-11-05 2003-05-15 Nokia Corporation Procede pour identifier des stations de base et pour verifier des valeurs de mesure d'une difference en temps d'observation entre des emissions issues de stations de base
US20040202119A1 (en) * 2003-04-10 2004-10-14 Edge Stephen William Base station synchronization in a wireless network
DE202006019286U1 (de) * 2005-12-22 2007-05-16 Interdigital Technology Corporation, Wilmington Drahtloses Kommunikationssystem zum Einstellen der Aufwärtsstrecken-Sendezeitsteuerung für den langfristig fortentwickelten Handover

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7054285B2 (en) * 2000-02-22 2006-05-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for associated signaling in a wireless communications network
DE10039967B4 (de) * 2000-08-16 2004-11-18 Siemens Ag Anpassung des Timing Advance beim synchronen Handover
KR20050036521A (ko) * 2003-10-16 2005-04-20 삼성전자주식회사 주파수도약 직교주파수분할다중화 기반의이동통신시스템에서의 핸드오버 방법
KR100827105B1 (ko) * 2004-02-13 2008-05-02 삼성전자주식회사 광대역 무선 통신 시스템에서 고속 레인징을 통한 빠른핸드오버 수행 방법 및 장치
US7962139B2 (en) * 2006-06-20 2011-06-14 Texas Instruments Incorporated Reduction of handover latencies in a wireless communication system
TW200818956A (en) * 2006-10-06 2008-04-16 Interdigital Tech Corp Autonomous timing advance adjustment during handover
US20080182579A1 (en) * 2007-01-26 2008-07-31 Industrial Technology Research Institute Methods and Systems for Handover Process in Wireless Communication Networks
US20080225796A1 (en) * 2007-03-17 2008-09-18 Qualcomm Incorporated Handover in wireless communications
US9380503B2 (en) * 2007-04-30 2016-06-28 Google Technology Holdings LLC Method and apparatus for handover in a wireless communication system
US8218500B2 (en) * 2007-04-30 2012-07-10 Texas Instruments Incorporated Pre-synchronization method for hard handovers in wireless networks
US9307464B2 (en) * 2007-06-21 2016-04-05 Sony Corporation Cellular communication system, apparatus and method for handover

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000051393A1 (fr) * 1999-02-26 2000-08-31 Qualcomm Incorporated Procede et systeme de transfert entre une station de base amcr asynchrone et une station de base amcr synchrone
WO2003041436A1 (fr) * 2001-11-05 2003-05-15 Nokia Corporation Procede pour identifier des stations de base et pour verifier des valeurs de mesure d'une difference en temps d'observation entre des emissions issues de stations de base
US20040202119A1 (en) * 2003-04-10 2004-10-14 Edge Stephen William Base station synchronization in a wireless network
DE202006019286U1 (de) * 2005-12-22 2007-05-16 Interdigital Technology Corporation, Wilmington Drahtloses Kommunikationssystem zum Einstellen der Aufwärtsstrecken-Sendezeitsteuerung für den langfristig fortentwickelten Handover

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009002248A1 *

Also Published As

Publication number Publication date
WO2009002248A1 (fr) 2008-12-31
JP2010531573A (ja) 2010-09-24
JP5001428B2 (ja) 2012-08-15
US20110007707A1 (en) 2011-01-13
US8774126B2 (en) 2014-07-08
EP2160860A1 (fr) 2010-03-10

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Legal Events

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Effective date: 20091204

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A4 Supplementary search report drawn up and despatched

Effective date: 20131205

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Ipc: H04W 74/08 20090101ALI20131129BHEP

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